Home / 257,809,728.46-355,786,018.94-144,799,135.42

Finding the Fourth Proportional to 257,809,728.46, 355,786,018.94 and 144,799,135.42

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Solution

The fourth proportional to 257,809,728.46, 355,786,018.94 and 144,799,135.42 is: 199,827,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,809,728.46 : 355,786,018.94 = 144,799,135.42 : x
  2. Step 2: Convert to fraction form
    257,809,728.46/355,786,018.94 = 144,799,135.42/x
  3. Step 3: Cross multiply
    257,809,728.46x = 355,786,018.94 × 144,799,135.42
  4. Step 4: Simplify right side
    257,809,728.46x = 51,517,507,935,618,808
  5. Step 5: Solve for x
    x = 51,517,507,935,618,808/257,809,728.46
  6. Step 6: Final answer
    x = 199,827,633.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.